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AK7752 Datasheet(PDF) 10 Page - Asahi Kasei Microsystems |
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AK7752 Datasheet(HTML) 10 Page - Asahi Kasei Microsystems |
10 / 23 page [AK7752] 2) fs=48kHz (Ta = 25 °C; AVDD, DVDD = 3.3V; VREFH = AVDD, VREFL = AVSS; BITCLK = 64fs; Signal frequency 1kHz; Measurement frequency = 20Hz to 3.4kHz; fs = 48kHz; CKM Mode 0 (CKM [3:0]=LLLL) Unless otherwise specified. ) Parameter min typ max Units Resolution 24 Bits Dynamic Characteristics ADC S/(N+D) (-1dBFS) 76 86 dB Section Dynamic Range (A-weighted) (Note 12) 83 91 dB S/N (A-weighted) 83 91 dB Inter-Channel Isolation (f=1kHz) (Note 13) 90 110 dB DC accuracy Channel Gain Mismatch 0.2 0.5 dB Analog Input Input Voltage (Note 14) 1.80 2.00 2.20 Vp-p Input Impedance 35 50 kΩ Resolution 18 Bits Dynamic Characteristics DAC S/(N+D) (0 dB) 78 88 dB Section Dynamic Range (A-weighted) (Note 12) 87 95 dB S/N (A-weighted) 87 95 dB Inter-Channel Isolation (f=1kHz) (Note 15) 85 100 dB DC Accuracy Channel Gain Mismatch 0.2 0.5 dB Analog input Output Voltage (Note 16) 1.85 2.00 2.15 Vp-p Load Resistance 10 kΩ Load Capacitance 50 pF Note 12. S/(N+D) when -60dB signal is applied. Note 13. Inter-channel isolation between ALINE_IN and ANE_IN at –1 dB FS signal input. Note 14. The full scale for analog input voltage is FS=(VREFH-VREFL)×0.606. Note 15. Between ANE_OUT and ALINE_OUT. Note 16. Full scale output voltage when VREFH=AVDD, VREFL=AVSS. MS0578-E-01 -PB 2007/0 9 - 10 - |
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